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milleniumbug/passphrasegen.sh

Created August 4, 2017 03:15
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Generate a passphrase from a dictionary file (like /usr/share/dict/english)
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passphrasegen.sh
#!/bin/bash
if [ $# -lt 2 ]; then
echo "Usage: passphrasegen.sh path-to-dictionary number-of-words"
exit 1
fi
# TOFIX: the actual number of possible passwords is not N^M, but N*(N-1)*(N-2)*...*(N-M+1)
shuf -n "$2" "$1" --random-source /dev/urandom | paste -d\ --serial
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